in fact, most of the city sand bagging stations aren't even open at this time. biggest threat of the storm will be the high winds. >> we do expect some winds to accompany the storm and so we will see increase in call volume and go to increase of power lines counsel increase in traffic sdonts. go to increase in trees that have fallen. >>reporter: about now if there is any flooding it will likely occur west of town later on this weekend. the emergency operation center is on standby but they don't expect to use i it. it will be wet. but the biggest threat will be the win wind. reporting live in santa rosa, abc 7 news. >>> thank you. the rain is expected to turn to snow at the higher elevations much to skier dlichlt there's already snow on the ground on highway 2 67 at lake tahoe. ski resorts in the sierra expected to get between 10 to 20 inches of snow over the next three days. >> well good news for the ski resorts but the weather here expected to cause big delay at san francisco international airport tomorrow. friday is the heaviest traffic day of the holidays. th